class_docstr: DatasetBuilder for media_sum dataset.
code: def _load_json_file(self, json_path: epath.Path):
      with epath.Path(json_path).open() as f:
          file_content = json.load(f)
      return file_content
  
file_path: datasets/tensorflow_datasets/datasets/media_sum/media_sum_dataset_builder.py
imports: import json
  from typing import List
  from etils import epath
  import tensorflow_datasets.public_api
label_desc: Use image node_id 3 for calling the Builder obj's underlying member method code with example usage: obj._load_json_file(json_path) and returns: file_content